What is the purpose of the Android 'KeyguardManager'? MCQ with Answer and Explanation

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What is the purpose of the Android 'KeyguardManager'?

A. To manage the lock screen and keyguard state

B. To manage device passwords

C. To manage biometric authentication

D. To handle screen locking

Answer: Option A

Solution (By JKSSB Mock Tests)

KeyguardManager controls the lock screen (keyguard) and allows apps to disable the keyguard temporarily.

This question belongs to: Computer Operating Systems

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Question #1

In Android, what is the purpose of the 'Content Provider'?

A. To manage app preferences

B. To handle network requests

C. To display notifications

D. To share data between applications

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Correct Answer: Option D

Explanation:
Content Providers allow apps to share data (e.g., contacts, media) with other apps via a standard URI interface.

This question belongs to: Computer Operating Systems

Question #2

What is the role of the Android 'Asset Manager'?

A. To manage app permissions

B. To handle drawable resources

C. To store user data

D. To access raw asset files bundled with the application

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Correct Answer: Option D

Explanation:
Asset Manager provides access to files in the assets/ directory of an APK, such as fonts or HTML files.

This question belongs to: Computer Operating Systems

Question #3

Which Android version introduced support for split-screen multitasking?

A. Marshmallow (6.0)

B. Oreo (8.0)

C. Nougat (7.0)

D. Lollipop (5.0)

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Correct Answer: Option C

Explanation:
Android 7.0 Nougat introduced native split-screen mode, allowing two apps to run side by side.

This question belongs to: Computer Operating Systems

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